Metal abundances in 26 halo stars

Details Metal abundances in 26 halo stars Metal abundances in 26 halo stars

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...137....6g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 137, no. 1, Aug. 1984, p. 6-16.

Astronomy and Astrophysics

Astrophysics

28

Abundance, Giant Stars, Late Stars, Metallic Stars, Stellar Spectrophotometry, Astronomical Catalogs, Chemical Composition, Halos, Solar Atmosphere, Spectral Line Width, Stellar Atmospheres

Scientific paper

Metal abundances are derived for 26 field halo giants by means of high dispersion spectra and a model atmosphere analysis. The stars cover a wide range in metal abundance from slightly less than solar ([Fe/H] = -0.2) to very metal poor ([Fe/H] = -2.4). In this range the relative abundances of most of the studied elements are approximately solar. A deficiency of Ba in very metal poor stars ([Fe/H] < -1.5) such as suggested by Spite and Spite (1979) is confirmed by the present observations.

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